Home / 7,191,891.52-9,925,112-4,136,108.16

Finding the Fourth Proportional to 7,191,891.52, 9,925,112 and 4,136,108.16

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Solution

The fourth proportional to 7,191,891.52, 9,925,112 and 4,136,108.16 is: 5,708,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,891.52 : 9,925,112 = 4,136,108.16 : x
  2. Step 2: Convert to fraction form
    7,191,891.52/9,925,112 = 4,136,108.16/x
  3. Step 3: Cross multiply
    7,191,891.52x = 9,925,112 × 4,136,108.16
  4. Step 4: Simplify right side
    7,191,891.52x = 41,051,336,732,113.92
  5. Step 5: Solve for x
    x = 41,051,336,732,113.92/7,191,891.52
  6. Step 6: Final answer
    x = 5,708,002.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.